- download drools (including "Drools Engine" & "Drools and jBPM tools") from official website: https://www.drools.org/download/download.html
- install drools plugin to sts as following:
Open Eclipse.
- Open the menu "Help", menu item "Install new software..."
- Click on the button "Add..." to add a new software site.
- Fill in the name "drools local update site"
- Click on the button "Local..." and select ".../binaries/org.drools.updatesite"
- Select all the plugins. Click the buttons "Next" and "Finish".Sources
-------The source jars are in the sources directory.
- configure drools:
- Notes:
- if error occurred while drools plugin installing, you have to delete artifacts.xml in root directory of sts and do again!
来源：博客园
作者：Blue_007
链接：https://www.cnblogs.com/helloworld007/p/11618084.html